Brick chimney structure.



F. DOCHNAL. BRICK CHIMNEY STRUCTURE. APPLICATION FILED MAY 2. 19.14.

Patented Oct. 12, 1915.

2 SHEETS SHEET I.

F. DOCHNAL. IRICK CHIMNEY STRUCTURE. APPLICATION FILED MAY 2. I914,

1,156,468. Patented Oct. 12, 1915.

2 SHEETS-SHEET 2- To all whom it may concern:

Be it known that I, FRANK DocHnAL, a citizen of the Un ed certain new an Brick Chimney S ture.

tructures,

FRANK DOCHNAL, OF ST. LOUIS, MISSOURI.

Specification of Letters Patent. Application filed May 2, 1914. Serial No. 835,880.

having an inneroranouter lining or both base 1.

g of brick of such construct walls will be securely :bound to intermediate concrete or equivalent material against crackplete layer is laid, wh ing or crumbling through the action of heat; concrete is tamped or t e bricks so secured as tob'e fastened against bricks and thereupon t g connected by a specific tylng element consisting of rings or endless rods in addition to bricks having cooper the rings and bindin "also being construe material while in a enter the grooves a place even should t displacement, bein ing material.

From the followi connection with we foregoing and add tages will appear.

mental-y elevation of in accordance with m fragmentary enlarged the chimney; F ig. 3 on line 33 of, Fig.

an enlarged detail of thebricks emplo section through one ployed.

atin'g grooves to receive g material and the brick ted so that the binding most bricks. It will be realize plastic state may readily sonof the particular shape of nd the bricks remain in plastic material can be'placed hey sever from the bindtween them and into the r0 ng description taken in companying drawingsthe a chimney constructed l cross sectionalview of 1s a cross sectional view ;'F1g. 4 1s a cross secperspective view of one yed; Fig. 6 is a vertical less wires 9, it vwill be reali In said drawings; Figure 1- is a fragor wires 9 when the wall hardened join the bricks bricks against displacement the chimney. While the ro to prevent the diametric di bricks the result is better a tional view on line Hof Fig. 2; Fig. 5 is the rings and grooves a grooves relieve the rods I they serve essentially to of said bricks, and Fig. -sembling and laying th is a detail on one of the stay rings emmorerods 12 may extend u invention; Fig. 2 is a ion'thatlinings or 1 In erecting the chimney ricks are slid ontothe ro placed over them to fill t vertical stay rods; the next higher row of bri ring and cement may b grooves 8 of the lower cks.

faces Patented Oct. 12, 1915.

Said bricks are similar in construction but itedStates, residing at St. particular requirements demand. The outer Louis, in the State of Missouri, have inventand inner walls 4 and 5 res d useful Improvements in ably curved or arcuate an of'which the folare inclined or slanting at lowing is a specification. grooved at 7. Also the y invention relates to an improved wall faces of the bricks are gr structure particularly a chimney wall struc-v at 8to. retain stay rings 9. I 10 extend vertically thro The invention aims to provide a'structure receive stay rods 11 wh pectively preferd the side walls 6 and concave or upper and lower ooved or concaved Further o ugh the'bi'lcksto ich rise from the sufficient concrete he grooves 8 of the Previously a e placed to fill the of the lower- (1 that by reathe bricks the fact that the both linings and in use are of suclrsize as penings go or other. walls the ds 11 until a coinereupon cement ,or placed between. the

.the grooves after a succeeding row of brickshas been laid. Due to the nal objects and advangrooves 8 are provided and received the ended that therings or filling 3 has and secure the diametrically of ds llwould tend splacement of the ccomplished with s the rings and 11 of strain, and guide means in ase bricks.

Referring specifically to the drawingsthe greater rigidity for the structure.

chimney or otherjwall structure may be built upon a concrete or other base 1. The vary the construction illustrated and deprises an inner liningand scribed within the spirit and scope of the th built of bricks 2, and following claim of concrete or other plastic material in connection with which binding endless central plastic thereof, the bricks are laid. fastened therein, lining wall essentially com an outer lining, bo

, a binding body 3 before hardening wall structure hav ing a horizontally wall, stay members s of bricks, one on One or I pwardly from the base 1 and {be layed in the filling 3 tosecure the grooves at the side thereof m receive the exterior and the other on the interior of said Well, vertical stay members passing through said'bricks, said bricks being reduced inwardlyby the provision of inclined walls and grooves at the sides thereof, said bricks being provided Withgrooves on their upper and lower faces communicating with plastic material and endless stay members in said grooves andmaterial therein. 1

In testimony whereof I afiix my signature in presence of two witnesses,

FRANK DOCHN AL. v 'e Witnesses: Y I

O'r'ro C. HAUSER, FRED Ch me.v

h copies of this petent inay be obtained for five cents each, by addressing the Commissioner of Patents.

Washington, D. G. 

